For AI agents

MCP server

Ask your assistant for an open-source alternative and it answers from Openroster. Free, read-only, no key.

Connect

claude mcp add --transport http openroster https://openroster.dev/api/mcp

Add a custom connector with the URL https://openroster.dev/api/mcp

{
  "mcpServers": {
    "openroster": {
      "url": "https://openroster.dev/api/mcp"
    }
  }
}

search_companies: Search by text, type, category, license; sort by stars, newest, likes.
find_alternatives: Open and open-source alternatives to a product, e.g. Notion or Slack.
get_company: One listing with pricing, self-hosting options, GitHub activity, Scorecard and downloads.
list_categories: Categories with company counts.
list_licenses: Licenses in use with counts.